映射两个数组以创建一个数组
Mapping two arrays to create one array
我有两个数组,我想合并到一个数组中,但是,这些数组有些复杂,我无法理解....简而言之,我有一组“最后一条消息”来自一次对话,我有一系列来自该对话的参与者。
“消息”数组如下所示
messageArray =
[
[
{ message } <=== convo 1
],
[
{ message } <=== convo 2
],
]
“参与者”数据数组如下所示
participantArray =
[
[
{participant},{participant} <=== participants in convo 1
],
[
{participant},{participant},{participant} <=== participants in convo 2
]
]
我想要的是
mergedArray =
[
[ { message }, [ { participant }, { participant } ]] <=== conversation 1
],
[
[ { message }, [ { participant }, { participant } ]] <=== conversation 2
]
根据您的描述,您可以映射第一个数组,在第二个数组中使用索引获取关联项。
例如
const messages = [
["Helo World, Messsage One"],
["Goodbye, fair well"],
];
const users = [
["Bob", "Jane", "Harry"],
["Mike", "John", "Amanda"]
];
const joined = messages.map((m, ix) => {
return [m[0], users[ix]];
});
console.log(joined);
我有两个数组,我想合并到一个数组中,但是,这些数组有些复杂,我无法理解....简而言之,我有一组“最后一条消息”来自一次对话,我有一系列来自该对话的参与者。
“消息”数组如下所示
messageArray =
[
[
{ message } <=== convo 1
],
[
{ message } <=== convo 2
],
]
“参与者”数据数组如下所示
participantArray =
[
[
{participant},{participant} <=== participants in convo 1
],
[
{participant},{participant},{participant} <=== participants in convo 2
]
]
我想要的是
mergedArray =
[
[ { message }, [ { participant }, { participant } ]] <=== conversation 1
],
[
[ { message }, [ { participant }, { participant } ]] <=== conversation 2
]
根据您的描述,您可以映射第一个数组,在第二个数组中使用索引获取关联项。
例如
const messages = [
["Helo World, Messsage One"],
["Goodbye, fair well"],
];
const users = [
["Bob", "Jane", "Harry"],
["Mike", "John", "Amanda"]
];
const joined = messages.map((m, ix) => {
return [m[0], users[ix]];
});
console.log(joined);